{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49797",
    "entityType": "User",
    "nonce": "0x0bd22586ea551b51a31809d03abd16ad2a7da9ecaebb119ad97da55123a89d90",
    "signature": "0x62951ff30f2142446fe45d691494005e3a0817ed85a4a679d29469b4983931ea37a65b4add20cb7feecc4e4a66b88425453fcffea694f32abd5430bc7421fcc91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}